Yes, but they obviously cannot be simultaneously loaded their maximum loads because the 400-amp breaker will blow well before that. Similarly, you can have multiple 100-amp panels fed from a 200-Amp main breaker, knowing that you will NEVER have 100 amps running in all panels at the same time.
Two single-pole 30 amp breakers tied together make a two-pole 30 amp breaker. From this you can power a device that requires 220-240 volts, typically.
It is not the number of bulbs that you worry about. It is the wire size that is your concern. If the circuit is wired with AWG 12/2 wire then use a 20 amp breaker. If it is wired with a AWG 14/2 wire then use a 15 amp breaker. You are protecting the wiring with the correct size breaker.
No, if you have a Square D distribution panel only Square D breakers will fit in it.
A dryer requires a 30 amp receptacle. This will be to receive a four blade dryer plug. The wire needed will be a three copper wire #10 cable set with a bare #14 copper ground wire. The breaker will be a two pole 30 amp breaker.
No. The two appliances usually have dedicated circuits. The range will have a two pole 40 amp breaker and be fed with a 3-C #8 copper cable. The dryer will have a 30 amp two pole breaker and be fed with a 3-C # 10 copper cable. As you can see by powering a 40 amp device from a 30 amp breaker, full operation of the range will trip the 30 amp breaker.
The formula you are looking for is I = W/E.
Yes, considering you can do that on 15 amp breaker easy.Experience in construction field. The worst that will happen is that the breaker will trip off after a few minutes.In the formula W = A x V. W = 20 x 120 = 2400 watts. If you want you can operate two 1000 watt lamps from a 20 amp breaker operating on 120 volts.
In North America this size breaker could be used on a welding machine. A range in the home would use a 40 amp two pole breaker.
No, you cannot interchange a 250v 15 amp breaker with a 115v 15 amp breaker. Breakers are voltage-specific devices, and using the wrong voltage breaker can be a safety hazard and can damage your electrical system. It is essential to use the correct voltage and amperage ratings for your electrical circuit.
Remove the two twenty amp breakers from the regular size slot and install two mini amp breakers. A mini amp breaker has two breakers per regular size slot.
Yes, but they obviously cannot be simultaneously loaded their maximum loads because the 400-amp breaker will blow well before that. Similarly, you can have multiple 100-amp panels fed from a 200-Amp main breaker, knowing that you will NEVER have 100 amps running in all panels at the same time.
No, you cannot use two separate 15 amp single pole breakers in place of a double pole 30 amp breaker. A double pole breaker is designed to simultaneously disconnect both circuit conductors, whereas using two single pole breakers would not provide the necessary protection for the circuit. It is important to use the correct size and type of breaker as specified by the electrical code for safety and functionality.
20 amp In North America code states a two pole 15 amp breaker will do the job.
Yes, a 100 amp main panel can have 2 separate 50 amp circuits protected by 50 amp breakers. This configuration allows for two separate circuits drawing up to 50 amps each from the main panel without overloading the panel's 100 amp capacity.
Household circuits come in two flavors, 15 amp and 20 amp. Check the circuit breaker or fuse in your panel to see which one your outlet is wired to. If the outlet is on a 15 amp circuit, you could only run one, but if you have a 20 amp circuit, you could get away with two, assuming there are no other appliances plugged into the same circuit. The electrical code says circuits should be loaded to no more than 80% of the breaker's rating. for a 20 amp breaker, that works out to 16 amps. Your two lamps would draw 16.6 amps, so you would be right at the limit.
To check if you have 240 volts on a 30 amp two pole breaker, you can use a digital multimeter set to measure voltage. Turn off the breaker, then test between the two breaker terminals and ground. If you read around 240 volts, it indicates that the breaker is providing the right voltage. If not, there may be an issue with the breaker or the wiring.